redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

x86: ioapic/hpet: Convert to new chip functions 

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
hifive-unleashed-5.1
Thomas Gleixner 2010-09-28 16:18:39 +02:00
parent 90297c5fe7
commit d0fbca8f93
3 changed files with 26 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/x86/include/asm/hpet.h
View File

@ -74,10 +74,12 @@ extern void hpet_disable(void);
extern unsigned int hpet_readl(unsigned int a);
extern void force_hpet_resume(void);
extern void hpet_msi_unmask(unsigned int irq);
extern void hpet_msi_mask(unsigned int irq);
extern void hpet_msi_write(unsigned int irq, struct msi_msg *msg);
extern void hpet_msi_read(unsigned int irq, struct msi_msg *msg);
struct irq_data;
extern void hpet_msi_unmask(struct irq_data *data);
extern void hpet_msi_mask(struct irq_data *data);
struct hpet_dev;
extern void hpet_msi_write(struct hpet_dev *hdev, struct msi_msg *msg);
extern void hpet_msi_read(struct hpet_dev *hdev, struct msi_msg *msg);
#ifdef CONFIG_PCI_MSI
extern int arch_setup_hpet_msi(unsigned int irq, unsigned int id);

30
arch/x86/kernel/apic/io_apic.c
View File

@ -3605,26 +3605,25 @@ int arch_setup_dmar_msi(unsigned int irq)
#ifdef CONFIG_HPET_TIMER
#ifdef CONFIG_SMP
static int hpet_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
static int hpet_msi_set_affinity(struct irq_data *data,
const struct cpumask *mask, bool force)
{
struct irq_desc *desc = irq_to_desc(irq);
struct irq_cfg *cfg;
struct irq_desc *desc = irq_to_desc(data->irq);
struct irq_cfg *cfg = data->chip_data;
struct msi_msg msg;
unsigned int dest;
if (set_desc_affinity(desc, mask, &dest))
return -1;
cfg = get_irq_desc_chip_data(desc);
hpet_msi_read(irq, &msg);
hpet_msi_read(data->handler_data, &msg);
msg.data &= ~MSI_DATA_VECTOR_MASK;
msg.data |= MSI_DATA_VECTOR(cfg->vector);
msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
msg.address_lo |= MSI_ADDR_DEST_ID(dest);
hpet_msi_write(irq, &msg);
hpet_msi_write(data->handler_data, &msg);
return 0;
}
@ -3633,8 +3632,8 @@ static int hpet_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
static struct irq_chip ir_hpet_msi_type = {
.name = "IR-HPET_MSI",
.unmask = hpet_msi_unmask,
.mask = hpet_msi_mask,
.irq_unmask = hpet_msi_unmask,
.irq_mask = hpet_msi_mask,
#ifdef CONFIG_INTR_REMAP
.irq_ack = ir_ack_apic_edge,
#ifdef CONFIG_SMP
@ -3646,20 +3645,19 @@ static struct irq_chip ir_hpet_msi_type = {
static struct irq_chip hpet_msi_type = {
.name = "HPET_MSI",
.unmask = hpet_msi_unmask,
.mask = hpet_msi_mask,
.irq_unmask = hpet_msi_unmask,
.irq_mask = hpet_msi_mask,
.irq_ack = ack_apic_edge,
#ifdef CONFIG_SMP
.set_affinity = hpet_msi_set_affinity,
.irq_set_affinity = hpet_msi_set_affinity,
#endif
.irq_retrigger = ioapic_retrigger_irq,
};
int arch_setup_hpet_msi(unsigned int irq, unsigned int id)
{
int ret;
struct msi_msg msg;
struct irq_desc *desc = irq_to_desc(irq);
int ret;
if (intr_remapping_enabled) {
struct intel_iommu *iommu = map_hpet_to_ir(id);
@ -3677,8 +3675,8 @@ int arch_setup_hpet_msi(unsigned int irq, unsigned int id)
if (ret < 0)
return ret;
hpet_msi_write(irq, &msg);
desc->status |= IRQ_MOVE_PCNTXT;
hpet_msi_write(get_irq_data(irq), &msg);
irq_set_status_flags(irq,IRQ_MOVE_PCNTXT);
if (irq_remapped(irq))
set_irq_chip_and_handler_name(irq, &ir_hpet_msi_type,
handle_edge_irq, "edge");

16
arch/x86/kernel/hpet.c
View File

@ -440,9 +440,9 @@ static int hpet_legacy_next_event(unsigned long delta,
static DEFINE_PER_CPU(struct hpet_dev *, cpu_hpet_dev);
static struct hpet_dev *hpet_devs;
void hpet_msi_unmask(unsigned int irq)
void hpet_msi_unmask(struct irq_data *data)
{
struct hpet_dev *hdev = get_irq_data(irq);
struct hpet_dev *hdev = data->handler_data;
unsigned int cfg;
/* unmask it */
@ -451,10 +451,10 @@ void hpet_msi_unmask(unsigned int irq)
hpet_writel(cfg, HPET_Tn_CFG(hdev->num));
}
void hpet_msi_mask(unsigned int irq)
void hpet_msi_mask(struct irq_data *data)
{
struct hpet_dev *hdev = data->handler_data;
unsigned int cfg;
struct hpet_dev *hdev = get_irq_data(irq);
/* mask it */
cfg = hpet_readl(HPET_Tn_CFG(hdev->num));
@ -462,18 +462,14 @@ void hpet_msi_mask(unsigned int irq)
hpet_writel(cfg, HPET_Tn_CFG(hdev->num));
}
void hpet_msi_write(unsigned int irq, struct msi_msg *msg)
void hpet_msi_write(struct hpet_dev *hdev, struct msi_msg *msg)
{
struct hpet_dev *hdev = get_irq_data(irq);
hpet_writel(msg->data, HPET_Tn_ROUTE(hdev->num));
hpet_writel(msg->address_lo, HPET_Tn_ROUTE(hdev->num) + 4);
}
void hpet_msi_read(unsigned int irq, struct msi_msg *msg)
void hpet_msi_read(struct hpet_dev *hdev, struct msi_msg *msg)
{
struct hpet_dev *hdev = get_irq_data(irq);
msg->data = hpet_readl(HPET_Tn_ROUTE(hdev->num));
msg->address_lo = hpet_readl(HPET_Tn_ROUTE(hdev->num) + 4);
msg->address_hi = 0;